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DE59607427D1 - Verfahren zur entkohlung von stahlschmelzen - Google Patents

Verfahren zur entkohlung von stahlschmelzen

Info

Publication number
DE59607427D1
DE59607427D1 DE59607427T DE59607427T DE59607427D1 DE 59607427 D1 DE59607427 D1 DE 59607427D1 DE 59607427 T DE59607427 T DE 59607427T DE 59607427 T DE59607427 T DE 59607427T DE 59607427 D1 DE59607427 D1 DE 59607427D1
Authority
DE
Germany
Prior art keywords
oxygen
introducing
vessel
pressure
steel melt
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE59607427T
Other languages
German (de)
English (en)
Inventor
Dr Schoeler
Dr-Ing Wiegmann
Dipl-Ing Dittrich
Dr-Ing Haers
Leo Peeters
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SMS Siemag AG
Original Assignee
SMS Demag AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SMS Demag AG filed Critical SMS Demag AG
Application granted granted Critical
Publication of DE59607427D1 publication Critical patent/DE59607427D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04—Removing impurities by adding a treating agent
    • C21C7/068—Decarburising
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/10—Handling in a vacuum
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F27D3/16—Introducing a fluid jet or current into the charge
    • F27D2003/168—Introducing a fluid jet or current into the charge through a lance
    • F27D2003/169—Construction of the lance, e.g. lances for injecting particles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D19/00—Arrangements of controlling devices
    • F27D2019/0028—Regulation
    • F27D2019/0075—Regulation of the charge quantity

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Coating With Molten Metal (AREA)
DE59607427T 1995-11-17 1996-11-06 Verfahren zur entkohlung von stahlschmelzen Expired - Fee Related DE59607427D1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19544166 1995-11-17
DE19548641 1995-12-13
PCT/DE1996/002165 WO1997019197A1 (de) 1995-11-17 1996-11-06 Verfahren und vorrichtung zur entkohlung von stahlschmelzen

Publications (1)

Publication Number Publication Date
DE59607427D1 true DE59607427D1 (de) 2001-09-06

Family

ID=26020703

Family Applications (2)

Application Number Title Priority Date Filing Date
DE59607427T Expired - Fee Related DE59607427D1 (de) 1995-11-17 1996-11-06 Verfahren zur entkohlung von stahlschmelzen
DE19680993T Ceased DE19680993D2 (de) 1995-11-17 1996-11-06 Verfahren und Vorrichtung zur Entkohlung von Stahlschmelzen

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE19680993T Ceased DE19680993D2 (de) 1995-11-17 1996-11-06 Verfahren und Vorrichtung zur Entkohlung von Stahlschmelzen

Country Status (13)

Country Link
US (1) US6235084B1 (pl)
EP (1) EP0861337B1 (pl)
JP (1) JP2000500528A (pl)
KR (1) KR100287568B1 (pl)
CN (1) CN1067438C (pl)
AT (1) ATE203778T1 (pl)
AU (1) AU7620696A (pl)
CZ (1) CZ294517B6 (pl)
DE (2) DE59607427D1 (pl)
PL (1) PL192625B1 (pl)
RU (1) RU2159819C2 (pl)
TW (1) TW403788B (pl)
WO (1) WO1997019197A1 (pl)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10347200B4 (de) * 2002-12-13 2005-07-21 Sms Mevac Gmbh Entgasungsverfahren von Flüssigstahl
EP1428894A1 (de) * 2002-12-13 2004-06-16 SMS Mevac GmbH Entgasungsverfahren von Flüssigstahl
GB0427832D0 (en) * 2004-12-20 2005-01-19 Boc Group Plc Degassing molten metal
US8377372B2 (en) * 2009-11-30 2013-02-19 L'air Liquide Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Dynamic lances utilizing fluidic techniques
US8323558B2 (en) * 2009-11-30 2012-12-04 L'air Liquide Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Dynamic control of lance utilizing counterflow fluidic techniques
US20110127701A1 (en) * 2009-11-30 2011-06-02 Grant Michael G K Dynamic control of lance utilizing co-flow fluidic techniques
CN101871035A (zh) * 2010-05-31 2010-10-27 北京科技大学 一种用于无取向硅钢生产的精炼装置及真空精炼工艺
TWI515301B (zh) * 2012-03-08 2016-01-01 杰富意鋼鐵股份有限公司 使用真空除氣系統製造超低碳鋼的方法
CN103397137B (zh) * 2013-08-02 2015-04-22 首钢总公司 一种车轮钢的生产方法
KR101450651B1 (ko) 2013-11-27 2014-10-15 우진 일렉트로나이트(주) 연속 측온 장치 및 이를 포함하는 ｒｈ장치
JP6331851B2 (ja) * 2014-08-05 2018-05-30 新日鐵住金株式会社 取鍋内溶鋼の加熱方法
KR102034264B1 (ko) * 2018-08-03 2019-10-17 주식회사 포스코 용선 처리 장치 및 용선 처리 방법
JP7002656B2 (ja) * 2018-11-16 2022-01-20 チンタオ・ユンル・アドバンスト・マテリアルズ・テクノロジー・カンパニー・リミテッド 粉末微粒化装置および粉末微粒化方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1758107B2 (de) * 1968-04-04 1976-03-04 Edelstahlwerk Witten Ag, 5810 Witten Verfahren zum herstellen von rostfreien chrom- und chrom-nickel-staehlen
US3702243A (en) * 1969-04-15 1972-11-07 Nat Steel Corp Method of preparing deoxidized steel
DE2114600B2 (de) * 1971-03-25 1981-05-07 Vacmetal Gesellschaft für Vakuum-Metallurgie mbH, 4600 Dortmund Verfahren zur gezielten Vakuumentkohlung hochlegierter Stähle
JPS5381418A (en) * 1976-12-28 1978-07-18 Nippon Steel Corp Manufacture of low phosphorus steel by vacuum degassing method
SU789591A1 (ru) * 1978-06-19 1980-12-23 Череповецкий Ордена Ленина Металлургический Завод Им. 50- Летия Ссср Способ производства малоуглеродистой стали
US4612043A (en) * 1984-03-29 1986-09-16 Pennsylvania Engineering Corporation Steel making method
DE4442362C1 (de) * 1994-11-18 1996-04-18 Mannesmann Ag Verfahren und Vorrichtung zum Behandeln von einer in einem metallurgischen Gefäß befindlichen Metallschmelze
EP0785284B1 (en) * 1995-08-01 2002-11-13 Nippon Steel Corporation Process for vacuum refining of molten steel

Also Published As

Publication number Publication date
PL192625B1 (pl) 2006-11-30
KR19990067543A (ko) 1999-08-25
CZ294517B6 (cs) 2005-01-12
RU2159819C2 (ru) 2000-11-27
DE19680993D2 (de) 1999-01-28
TW403788B (en) 2000-09-01
CZ152598A3 (cs) 1999-05-12
WO1997019197A1 (de) 1997-05-29
KR100287568B1 (ko) 2001-04-16
ATE203778T1 (de) 2001-08-15
EP0861337A1 (de) 1998-09-02
EP0861337B1 (de) 2001-08-01
PL326635A1 (en) 1998-10-12
CN1203634A (zh) 1998-12-30
CN1067438C (zh) 2001-06-20
JP2000500528A (ja) 2000-01-18
US6235084B1 (en) 2001-05-22
AU7620696A (en) 1997-06-11

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee